Used in couples as a quick goodbye, which in no way shape or form means I love you. Which gets you or your partner off the phone the quickest way possible. It also in NO WAY SHAPE OR FORM means the person really means I love you.

Girl " Ok Well I Gotta go to work ILoveyoubye....click"
Guy: "Um WTF"

Or

Girl: "So I totally was watching tv and I saw the cutest puppy ever and I was like..awwwww..and then I totally..."